The Boleyn sisters
This royal rivalry is one for the history books and had all the makings of modern drama. Sisters Mary and Anne Boleyn duked it out over Henry VIII when the British king first took Mary as his mistress but later dumped her to marry Anne. Despite triumphing over Mary to become queen, Anne lost in the end when she was beheaded by her husband. Karma perhaps? Check out most of history’s most shocking royal family feuds.